Home / 94,419.86-130,299.40-51,399.52

Finding the Fourth Proportional to 94,419.86, 130,299.40 and 51,399.52

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Solution

The fourth proportional to 94,419.86, 130,299.40 and 51,399.52 is: 70,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,419.86 : 130,299.40 = 51,399.52 : x
  2. Step 2: Convert to fraction form
    94,419.86/130,299.40 = 51,399.52/x
  3. Step 3: Cross multiply
    94,419.86x = 130,299.40 × 51,399.52
  4. Step 4: Simplify right side
    94,419.86x = 6,697,326,616.29
  5. Step 5: Solve for x
    x = 6,697,326,616.29/94,419.86
  6. Step 6: Final answer
    x = 70,931.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.